Home / 76,671,106.90-115,042,574.16-37,788,362.55

Finding the Fourth Proportional to 76,671,106.90, 115,042,574.16 and 37,788,362.55

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Solution

The fourth proportional to 76,671,106.90, 115,042,574.16 and 37,788,362.55 is: 56,700,244.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,671,106.90 : 115,042,574.16 = 37,788,362.55 : x
  2. Step 2: Convert to fraction form
    76,671,106.90/115,042,574.16 = 37,788,362.55/x
  3. Step 3: Cross multiply
    76,671,106.90x = 115,042,574.16 × 37,788,362.55
  4. Step 4: Simplify right side
    76,671,106.90x = 4,347,270,501,043,341
  5. Step 5: Solve for x
    x = 4,347,270,501,043,341/76,671,106.90
  6. Step 6: Final answer
    x = 56,700,244.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.